Senior .NET Developer

TransUnion

Lead Developer supporting enterprise applications for TransUnion's Insurance business. Collaborate with key stakeholders and enhance technology solutions with the .NET technology stack.

Posted 7/22/2026full-timeCrum Lynne • Florida, Illinois, Pennsylvania, Virginia • 🇺🇸 United StatesSenior💰 $90,000 - $150,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and supporting enterprise applications using the Microsoft .NET technology stack, with a strong focus on secure software development practices and application lifecycle management. Proficient in collaborating with cross-functional teams to translate business requirements into technical solutions while ensuring application performance and scalability.

Highest-signal resume keywords

Microsoft .NET Technology StackC# ProgrammingAgile Scrum MethodologyCI/CD Pipeline ManagementAWS Cloud Services

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Hard Skills

ASP.NET MVCASP.NET Web API.NET Framework.NET Core/.NET 5/6SQL ServerPostgreSQLDatabase DesignPerformance TuningAutomated TestingApplication Architecture

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

Microsoft Visual StudioCI/CD ToolsCloud Platforms

Industry Keywords

Enterprise ApplicationsSoftware Development StandardsApplication ModernizationTelematics PlatformData Integrity

Tech Stack

Tools & technologies

ASP.NETAWSCloud.NETPostgresSQL

About the role

Key responsibilities & impact

Serve as a key technical contributor on the DHI Online Scrum Team, developing and supporting enterprise applications that support TransUnion's Insurance business.
Lead the design, development, enhancement, and maintenance of secure, scalable applications using the Microsoft .NET technology stack.
Partner closely with business stakeholders, Product Management, Project Management, and Engineering teams to translate business requirements into technical solutions.
Play a significant role in the development and ongoing evolution of the TransUnion Telematics platform and related insurance products.
Design and implement integrations with internal systems and external business partners while ensuring reliability, security, and scalability.
Support architecture decisions, application modernization efforts, and cloud adoption initiatives that improve performance, maintainability, and operational efficiency.
Troubleshoot production issues, identify root causes, and implement long-term solutions that improve platform stability and user experience.
Maintain and improve CI/CD processes, automated testing practices, and deployment pipelines to enable efficient software delivery.
Ensure development activities align with security best practices, regulatory requirements, and enterprise software development standards.
Contribute to project planning, solution estimation, technical documentation, and continuous improvement initiatives across the development lifecycle.

Requirements

What you’ll need

Bachelor's degree in Computer Science, Information Technology, Information Systems, or a related field; equivalent professional experience will also be considered.
5-8+ years of software development experience building, enhancing, and supporting enterprise applications utilizing the Microsoft .NET technology stack.
Experience working within Agile Scrum environments and collaborating with cross-functional business and technology stakeholders to deliver software solutions.
Strong understanding of software architecture principles, secure software development practices, and application lifecycle management in enterprise environments.
Experience designing, supporting, and optimizing relational databases and data access strategies to ensure application performance, scalability, and data integrity.
Advanced proficiency with C#, ASP.NET MVC, ASP.NET Web API, .NET Framework, and .NET Core/.NET 5/6 for enterprise application development.
Strong experience with Microsoft Visual Studio and modern software development tools.
Hands-on experience with SQL Server and PostgreSQL, including database design, development, performance tuning, and complex querying.
Experience with AWS (Amazon Web Services) or other cloud platforms for application hosting, deployment, and support.
Experience building, supporting, and maintaining CI/CD (Continuous Integration and Continuous Delivery) pipelines and automated deployment processes.

Benefits

Comp & perks

Enjoy day-one eligibility for medical, dental, and vision coverage, plus supplemental plan options.
Spousal, domestic partner, and other eligible dependent coverage is available on select plans.
Choose tax‑advantaged HSA and FSA accounts to make everyday care more affordable.
We’ve got your back with company‑paid basic life and AD&D, optional voluntary life and AD&D for you and your family, and short‑ and long‑term disability.
You can also opt into a legal plan, pet insurance, and travel accident coverage.
From adoption assistance and fertility planning coverage to caregiver support, we’re here for every chapter.
Access Dependent Care FSA for possibility of an employer match, a complimentary Care@Work membership, and up to 12 weeks of paid parental leave with eligibility for a thoughtful, gradual return.
Build toward what’s next with our 401(k) with employer match and Employee Stock Purchase Plan (ESPP).
Tap financial wellness resources, career coaching, and optional long‑term care insurance to plan confidently.
Grow and recharge with tuition reimbursement, flexible time off for exempt employees or paid time off for nonexempt employees, up to 12 paid holidays per year, commuter benefits, employee discounts, charitable gift matching, and paid volunteer time off, plus corporate volunteer events that make it easy to give back.
Access 24/7 support including professional therapy, coaching, and emotional well‑being programs alongside guided meditation and resources that support physical, mental, social, and financial wellness.